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闁辫畝锛�19
MAX3485EESA+T 鏄� Maxim Integrated 鍏徃鎺ㄥ嚭鐨勪竴娆惧寮峰瀷 RS-485 鏀剁櫦(f膩)鍣紝鍏锋湁浣庡姛鑰�銆侀珮闈滈浕鏀鹃浕 (ESD) 淇濊鍜屽寮风殑绺界窔鏁呴殰淇濊鐗规�с�傝┎鑺墖閬╃敤浜庡伐妤�(y猫)鑷嫊鍖�銆佹〒瀹囨帶鍒跺拰鏁�(sh霉)鎿�(j霉)閫氫俊绛夐渶瑕侀暦璺濋洟鍌宠几鍜岄珮鎶楀共鎿捐兘鍔涚殑鎳夌敤鍫存櫙銆�
銆�銆�MAX3485E 鎻愪緵浜嗛﹨鍕曞櫒杓稿嚭鐭矾淇濊銆佺啽闂滄柗淇濊浠ュ強鎺ユ敹鍣ㄨ几鍏ユ烤娉㈠姛鑳�锛岃兘澶犳湁鏁堥槻姝㈠洜澶栭儴鐠�(hu谩n)澧冨共鎿惧皫鑷寸殑鑺墖鎼嶅鎴栬鎿嶄綔銆傛澶�锛屽畠閭勬敮鎸侀珮閬� 256 鍊嬬瘈(ji茅)榛炵殑澶氶粸缍�(w菐ng)绲￠厤缃紝骞跺吋瀹� TIA/EIA-485 鍜� ISO 11898 妯欐簴銆�
闆绘簮闆诲锛�3V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�椹呭嫊鍣ㄨ几鍑洪浕娴侊細卤120mA
銆�銆�鎺ユ敹鍣ㄨ几鍏ラ樆鎶楋細鈮�54k惟
銆�銆�鏁�(sh霉)鎿�(j霉)閫熺巼锛氭渶楂� 2.5Mbps
銆�銆�ESD 淇濊锛毬�15kV锛圚BM锛�
銆�銆�灏佽椤炲瀷锛歋OIC-8
MAX3485EESA+T 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂樺害闆嗘垚鐨� ESD 淇濊闆昏矾锛屽彲鎵垮彈 卤15kV 鐨勪汉楂旀ā鍨� (HBM) 娓│銆�
銆�銆�2. 澧炲挤鐨勭附绶氭晠闅滀繚璀峰姛鑳�锛屽嵆浣垮湪绺界窔鐭矾鑷冲湴鎴栭浕婧愭檪锛岃姱鐗囦粛鑳芥甯稿伐浣�銆�
銆�銆�3. 鐔遍棞鏂蜂繚璀锋鍒剁⒑淇濊姱鐗囦笉鏈冨洜閬庣啽鑰屾悕澹�銆�
銆�銆�4. 鎺ユ敹鍣ㄨ几鍏ョ鍏�(n猫i)缃烤娉㈤浕瀹�锛屾笡灏戝櫔鑱插共鎿惧苟鎻愰珮淇¤櫉绌�(w臎n)瀹氭�с��
銆�銆�5. 鏀寔鍗婇洐宸ュ拰鍏ㄩ洐宸ラ�氫俊妯″紡锛屾豢瓒充笉鍚屾噳鐢ㄩ渶姹傘��
銆�銆�6. 灏佽灏忓阀锛屼究浜� PCB 甯冨眬瑷▓銆�
銆�銆�7. 鍙垏澶氱ó寰帶鍒跺櫒鐩存帴閫ｆ帴锛岀啊鍖栫郴绲�(t菕ng)瑷▓娴佺▼銆�
MAX3485EESA+T 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勯仩绋嬬洠(ji膩n)鎺у拰鏁�(sh霉)鎿�(j霉)閲囬泦銆�
銆�銆�2. 妯撳畤绠＄悊绯荤当(t菕ng)涓殑鍌虫劅鍣ㄧ恫(w菐ng)绲￠�氫俊銆�
銆�銆�3. 澶氶粸閫氫俊缍�(w菐ng)绲′腑浣滅偤 RS-485 鎺ュ彛鐨勬牳蹇冪祫浠�銆�
銆�銆�4. 闆诲姏鍎�琛ㄥ拰鑳芥簮绠＄悊绯荤当(t菕ng)鐨勬暩(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�5. 瀹夐槻绯荤当(t菕ng)涓殑瑕栭牷鐭╅櫍鍒囨彌鍣ㄥ拰闁�绂佹帶鍒剁郴绲�(t菕ng)銆�
銆�銆�6. 閱�(y墨)鐧傝ō鍌欎腑鐨勬暩(sh霉)鎿�(j霉)閫氫俊妯″銆�
銆�銆�7. 浠讳綍闇�瑕佸彲闈犮�侀珮鏁堜覆琛岄�氫俊鐨勬噳鐢ㄥ牬鏅�銆�
MAX3485ESA+, MAX3485EEPA+, SN75179B, LTC2862
